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  7. Convert kpa to psi

Convert kpa to psi

Convert Kilopascal (kPa) to Pound per square inch (psi) instantly.

Formula

value × 0.14503773773

SampleConverted
1 kPa0.145038 psi
5 kPa0.725189 psi
10 kPa1.450377 psi
100 kPa14.503774 psi
1,000 kPa145.037738 psi

About kPa to psi

Convert kilopascals to pounds per square inch by dividing the kPa value by 6.894757293168. This is common when metric pressure readings need to be compared with psi gauges, tire pressures, and US customary equipment data.

kPa is common in metric pressure references, while psi is common on many gauges, tires, and service documents.

This conversion is useful when a pressure value must move between metric and US customary workflows.

A tire pressure of 240 kPa is about 34.81 psi.

Use kPa when following metric documentation and psi when matching equipment labels or field procedures.

The conversion does not identify whether the pressure is gauge or absolute; that must come from the source reading.

For safety-critical pressure limits, round conservatively and check the equipment manufacturer's unit labels.

Why Convert kPa to psi

kPa and psi often appear in different versions of the same pressure guidance.

Converting kPa to psi makes metric readings usable with gauges and procedures written in US customary units.

This is common for tires, compressors, pneumatic systems, hydraulic equipment, and HVAC service.

Common Field Use

Tire pressures are a frequent reason to convert kPa to psi.

Many labels include both units, but older documents or gauges may show only one.

Using the exact factor avoids the small errors that come from rough mental conversions.

Gauge and Absolute Pressure

Unit conversion does not change the pressure reference.

If a value is gauge pressure in kPa, the converted psi value is still gauge pressure.

Keep that context visible when comparing readings.

Kilopascal

Definition: A kilopascal is an SI pressure unit equal to 1000 pascals.

History/Origin: Kilopascals became common for practical engineering, weather, gas, and equipment pressure values.

Current use: kPa is used in HVAC, tire-pressure references in some regions, weather reports, engineering specifications, gas systems, and equipment documentation.

Pound per square inch

Definition: Pound per square inch is a pressure unit based on one pound-force applied over one square inch.

History/Origin: Psi became common in US customary pressure measurement and remains widely used on gauges and equipment labels.

Current use: psi is used for tires, compressors, hydraulics, pneumatics, gauges, industrial equipment, and service documentation.

Kilopascal to Pound per square inch Conversion Table

Kilopascal [kPa]Pound per square inch [psi]
0.01 kPa0.00145 psi
0.1 kPa0.014504 psi
1 kPa0.145038 psi
2 kPa0.290075 psi
5 kPa0.725189 psi
10 kPa1.450377 psi
20 kPa2.900755 psi
50 kPa7.251887 psi
100 kPa14.503774 psi

How to Convert Kilopascal to Pound per square inch

1 kPa = 0.145038 psi

1 psi = 6.894757 kPa

Formula: value × 0.14503773773

Example: 15 kPa = 2.175566 psi

  1. Start with the pressure value in kilopascals.
  2. Use 6.894757293168 kPa for each psi.
  3. Divide the kPa value by 6.894757293168.
  4. Use psi as the converted result.

Precision note: Use 6.894757293168 kPa per psi. Keep enough decimal precision for calibration, tire, hydraulic, or pneumatic work.

Common Use Cases for kPa to psi

  • Converting tire pressure values from kPa into psi.
  • Comparing HVAC, pneumatic, or hydraulic readings with psi specifications.
  • Translating metric pressure labels for US customary service procedures.
  • Checking pressure gauge readings when documentation uses a different unit system.

FAQ

How many kPa are in one psi?

One psi equals 6.894757293168 kPa.

How many psi is 220 kPa?

220 kPa is about 31.908 psi.

Why is kPa to psi common?

Many regions and industries publish pressure in kPa, while many gauges and service references use psi.

More Kilopascal conversions

  • kpa to pa
  • kpa to mpa
  • kpa to bar
  • kpa to atm
  • kpa to torr